Home / 14,968.08-20,654.36-8,253.28

Finding the Fourth Proportional to 14,968.08, 20,654.36 and 8,253.28

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Solution

The fourth proportional to 14,968.08, 20,654.36 and 8,253.28 is: 11,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.08 : 20,654.36 = 8,253.28 : x
  2. Step 2: Convert to fraction form
    14,968.08/20,654.36 = 8,253.28/x
  3. Step 3: Cross multiply
    14,968.08x = 20,654.36 × 8,253.28
  4. Step 4: Simplify right side
    14,968.08x = 170,466,216.30
  5. Step 5: Solve for x
    x = 170,466,216.30/14,968.08
  6. Step 6: Final answer
    x = 11,388.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.